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Description
Dose adjustments based on age are pure speculation

You receive a simple intramuscular injection, typically in the upper arm or hip

Can I use copper peptides if I'm using prescription retinoids
You can use it in either your morning or night routine, as long as you follow it with a moisturizer and sunscreen (in the morning)

doi: 10.1016/j.cca.2012.11.025

We will get into why the injection method can be much more beneficial in a bit in this article post